11th week of 2021 patent applcation highlights part 68 |
Patent application number | Title | Published |
20210083269 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, an electrode is provided. The active material-containing layer includes an active material, inorganic solid particles having lithium ion conductivity, and carbon fiber. A pore diameter D | 2021-03-18 |
20210083270 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The positive electrode active material with lithium composite oxide A containing W and Ni and W-free lithium composite oxide B containing Ni. Regarding the lithium composite oxide A, the proportion of Ni relative to the total moles of metal elements except for lithium is 30 to 60 mol %, 50% particle size D50 is 2 to 6 μm, 10% particle size D10 is 1.0 μm or more, and 90% particle size D90 is 6.8 μm or less. Regarding the lithium composite oxide B, the proportion of Ni relative to the total moles of metal elements except for lithium is 50 to 95 mol %, 50% particle size D50 is 10 to 22 μm, 10% particle size D10 is 7.0 μm or more, and 90% particle size D90 is 22.5 μm or less. The mass ratio of the lithium composite oxide B to the lithium composite oxide A is 1:1 to 5.7:1. | 2021-03-18 |
20210083271 | A COMPOSITE POWDER FOR USE IN THE NEGATIVE ELECTRODE OF A BATTERY AND A BATTERY COMPRISING SUCH A COMPOSITE POWDER - A composite powder for use in the negative electrode of a battery, whereby the composite powder comprises composite particles, whereby the composite particles comprise a matrix material and silicon, whereby the composite particles have a particle size distribution having a d10 and a d90, whereby over at least part of the size range from d10 to d90 the composite particles have a size-dependent silicon content. Preferably a finer fraction of the composite powder has an average particle size D1 and a silicon content S1 and a coarser fraction of the composite powder has an average particle size D2 and a silicon content S2, whereby a size dependence factor F is defined as follows F=(S2−S1)/(D2−D1), whereby the absolute value of the size dependence factor F is at least 0.04 wt % silicon/μm. | 2021-03-18 |
20210083272 | ION CONDUCTOR CONTAINING Li2B12H12 AND LiBH4, METHOD FOR PRODUCING SAME, AND SOLID ELECTROLYTE FOR ALL-SOLID-STATE BATTERIES, WHICH CONTAINS SAID ION CONDUCTOR - The present application provides a method for producing an ion conductor containing Li2B12H12 and LiBH4, which includes obtaining a mixture by mixing LiBH4 and B10H14 at a molar ratio LiBH4/B10H14 of from 2.1 to 4.3; and subjecting the mixture to a heat treatment. | 2021-03-18 |
20210083273 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - A negative electrode for a lithium secondary battery and a lithium secondary battery including the negative electrode are disclosed. The negative electrode includes a negative electrode current collector, a first negative electrode active material layer present on the negative electrode current collector, and a second negative electrode active material layer present on the first negative electrode active material layer. The first negative electrode active material layer includes two or more kinds of first negative electrode active materials, and the second negative electrode active material layer includes a second negative electrode active material having swelling that is smaller than that of the first negative electrode active material layer. Therefore, the surface of the negative electrode does not exhibit deformation during pre-lithiation. | 2021-03-18 |
20210083274 | POSITIVE ELECTRODE ACTIVE MATERIAL CONTAINING LITHIUM COMPOSITE OXIDE AND COVERING MATERIAL AND BATTERY - A positive electrode active material includes a lithium composite oxide and a covering material that covers a surface of the lithium composite oxide. The covering material has an electron conductivity of 10 | 2021-03-18 |
20210083275 | ELECTRODE SLURRY, ELECTRODE AND PROCESS FOR PRODUCING THE SAME, AND SECONDARY BATTERY - An electrode slurry contains (A) a cellulose fiber and (C) an electrode active material, the electrode active material (C) contains at least a silicon particle and may contain a silicon particle and a carbonaceous particle. The slurry may further contain (B) a carboxymethyl-group-containing cellulose ether or a salt thereof. The average fiber length L (1 to 750 μm) of the cellulose fiber (A) is larger than the average particle size D | 2021-03-18 |
20210083276 | COMPOSITION AND METHOD FOR LAMINATION OF SILICON DOMINANT ANODES UTILIZING WATER BASED ADHESIVES - Disclosed are anodes created using water based adhesive solutions, low temperature methods for laminating anodes comprising water based adhesives, and alkali ion batteries that comprise the anodes. | 2021-03-18 |
20210083277 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, an electrode is provided. The electrode includes an active material-containing layer. The active material-containing layer contains an active material and a flat plate-shaped silicate. | 2021-03-18 |
20210083278 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, an electrode includes a current collector and an active material-containing layer. The active material-containing layer contains a titanium-niobium composite oxide. A cross-section of the active material-containing layer includes a first cross-section from the current collector to length 0.5t with respect to a thickness t of the active material-containing layer, and a second cross-section from length 0.5t to length t from the current collector. An area ratio S1 occupied by the titanium-niobium composite oxide within the first cross-section, and an area ratio S2 occupied by the titanium-niobium composite oxide within the second cross-section satisfy 0.82021-03-18 | |
20210083279 | FAST CHARGING LITHIUM-ION BATTERY - A fast charging lithium-ion battery includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The positive electrode plate includes a positive current collector and a positive active material layers. The negative electrode plate includes a negative current collector and negative active material layers. The negative active material layers include titanium niobium oxide, lithium titanate, or a combination thereof. The separator is disposed between the positive electrode plate and the negative electrode plate. The electrolyte contacts the positive electrode plate and the negative electrode plate. The negative active material layers have an effective area corresponding to the positive electrode plate. The negative active material layers have a thickness on one surface of the negative current collector. A ratio of the effective area to the thickness is greater than 2×10 | 2021-03-18 |
20210083280 | POSITIVE-ELECTRODE PLATE AND MANUFACTURING METHOD THEREOF, LITHIUM-ION SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND APPARATUS - This application provides a positive-electrode plate, including a current collector, and a first active substance layer and a second active substance layer that are sequentially disposed on a surface of the current collector. The first active substance layer includes a first positive-electrode active material, and the first positive-electrode active material includes at least one of a compound represented by Formula (I) Li | 2021-03-18 |
20210083281 | POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY - A positive electrode active material having high capacity and excellent cycle performance is provided. The positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charge and discharge as compared with those of a known positive electrode active material. | 2021-03-18 |
20210083282 | LITHIUM ION SECONDARY BATTERY - The present application discloses a lithium ion secondary battery, comprising a positive electrode plate comprising a positive active material layer, a negative electrode plate comprising a negative active material layer, wherein: the positive active material layer comprises a lithium manganese-based positive active material as a positive active material; the negative active material layer and/or electrolyte comprise a sulfur-containing compound so that the sulfur-containing compound forms a sulfur-containing solid electrolyte interface film in the negative active material layer, and the mass percentage v of the sulfur element present in the negative active material layer containing the interface film and the mass percentage u of the manganese element present in the positive active material satisfy the following formula: v=0.018u+ω, in which u and v both are in wt % and ω is 0.01˜2. The present lithium ion secondary battery exhibits higher safety, cycle and storage performances. | 2021-03-18 |
20210083283 | CATHODE OF LITHIUM SECONDARY BATTERY COMPRISING IRON OXIDE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A positive electrode of a lithium secondary battery including an iron oxide as an additive, and a lithium secondary battery including the positive electrode. In the case of a lithium secondary battery including a positive electrode to which iron oxide is applied, the iron oxide adsorbs the lithium polysulfide (LiPS) generated in the charging/discharging process of the lithium secondary battery, thereby exhibiting an effect of increasing the charging/discharging efficiency of the battery and improving the lifetime characteristics. | 2021-03-18 |
20210083284 | PROCESS FOR MAKING A PARTIALLY COATED ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL - A process for making a partially coated electrode active material may involve: (a) providing an electrode active material of the formula Li | 2021-03-18 |
20210083285 | PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL - Process for making a partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li | 2021-03-18 |
20210083286 | LITHIUM METAL COMPOSITE OXIDE POWDER, POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE, AND LITHIUM SECONDARY BATTERY - A lithium metal composite oxide powder including: secondary particles that are aggregates of primary particles, and single particles that are present independently of the secondary particles, wherein the lithium metal composite oxide is represented by composition formula (I), and the single particles have an average crushing strength exceeding 80 MPa: | 2021-03-18 |
20210083287 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, PREPARING METHOD THEREOF, AND RECHARGEABLE LITHIUM BATTERY COMPRISING POSITIVE ELECTRODE - A positive electrode for a rechargeable lithium battery includes a positive active material for a rechargeable lithium battery that includes a first positive active material including a secondary particle including at least two agglomerated primary particles, where at least a portion of the primary particles has a radial arrangement structure, and a second positive active material having a monolith structure, wherein the first and second positive active materials each include a nickel-based positive active material, and an X-ray diffraction (XRD) peak intensity ratio (I(003)/I(104)) of the positive electrode is greater than or equal to about 3. Further embodiments provide a method of manufacturing the positive electrode for rechargeable lithium battery, and a rechargeable lithium battery including the same. | 2021-03-18 |
20210083288 | NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, PRODUCTION METHOD FOR NEGATIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE MATERIAL SLURRY FOR LITHIUM ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY - This negative electrode material for lithium ion secondary batteries has a C of 5.5 or less, C being a value obtained from a formula C=(pressure B−pressure A)/(1.70−1.35), where pressure A (kN/cm | 2021-03-18 |
20210083289 | CATHODE MATERIALS FOR LITHIUM ION BATTERIES - Provided is a positive electrode active material for a lithium-ion battery, the positive electrode active material including a blend of a doped lithium manganese iron phosphate (dLMFP) according to the formula: LiMn | 2021-03-18 |
20210083290 | Cathode Additive, Preparation Method Thereof, and Cathode and Lithium Secondary Battery Comprising the Same - The present disclosure relates to a cathode additive, a method for preparing the same, and a cathode and a lithium secondary battery including the same. More specifically, one embodiment of the present disclosure provides a cathode additive that can offset an irreversible capacity imbalance, and increase the initial charge capacity of a cathode | 2021-03-18 |
20210083291 | NEGATIVE ELECTRODE FOR LITHIUM METAL BATTERY AND LITHIUM METAL BATTERY COMPRISING THE SAME - A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 10 | 2021-03-18 |
20210083292 | BINDER FOR LITHIUM-SULFUR SECONDARY BATTERY AND LITHIUM-SULFUR SECONDARY BATTERY INCLUDING SAME - A binder for a lithium-sulfur secondary battery and a lithium-sulfur secondary battery including the same. The binder includes a copolymer having a first polymerization unit derived from a first monomer and a second polymerization unit derived from a second monomer. The first monomer is alkyl acrylate having at least one functional group or alkyl methacrylate having at least one functional group. The second monomer is acrylic acid or methacrylic acid. The at least one functional group in the first monomer is a functional group having a single or repeated structure of a hydroxy group substituted or unsubstituted with alkyl having 1 to 4 carbon atoms, a thiol group substituted or unsubstituted with alkyl having 1 to 4 carbon atoms, or an amino group substituted or unsubstituted with alkyl having 1 to 4 carbon atoms. The second polymerization unit may have a lithiated form. | 2021-03-18 |
20210083293 | Lithium Secondary Battery and Method of Preparing Anode for Lithium Secondary Battery - A lithium secondary battery according to exemplary embodiments includes a cathode, a separation layer, and an anode facing the cathode with the separation layer interposed therebetween. The anode includes an anode current collector, and an anode active material layer formed on the anode current collector. The anode active material layer includes an anode active material and a conductive additive. The conductive additive includes an expandable graphite having a particle diameter of 10 μm or less. | 2021-03-18 |
20210083294 | ELECTRODE ADDITIVES AND COATINGS FOR MINIMIZING CATHODE TRANSITION METAL DISSOLUTION - An electrode including an electrode active material and a ceramic hydrofluoric acid (HF) scavenger is provided. The ceramic hydrofluoric acid (HF) scavenger includes M | 2021-03-18 |
20210083295 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode, a negative electrode, and an electrolyte including a lithium salt, wherein at least one of the positive electrode and the negative electrode includes a current collector, an electrode tab extending from the current collector, an active material layer disposed on the current collector, and a passivation film formed on at least one of the current collector and the electrode tab. The passivation film includes a material represented by Chemical Formula 1: | 2021-03-18 |
20210083296 | LITHIUM ION SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - A lithium ion secondary battery includes: a positive electrode having a positive electrode active material layer on a surface of a positive electrode collector; a negative electrode having a negative electrode active material layer on a surface of a negative electrode collector; and a nonaqueous electrolyte. The positive electrode, the negative electrode, and the nonaqueous electrolyte are accommodated in a battery case. The nonaqueous electrolyte contains γ-butyrolactone as a main component of a nonaqueous solvent. A BOB ion-derived coat is formed on the surface of the positive electrode active material layer. A VC-derived coat is formed on the surface of the negative electrode active material layer. | 2021-03-18 |
20210083297 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, an electrode is provided. The electrode includes the active material-containing layer formed on the current collector and including active material particles. The particle size distribution chart obtained by the laser diffraction scattering method for the active material particles includes the first region and the second region. The first particle group included in the first region includes the first active material particles, and the second particle group included in the second region includes second active material particles. The carbon coverage of the first particle group is higher than the carbon coverage of the second particle group. | 2021-03-18 |
20210083298 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE - According to one embodiment, an electrode is provided. The electrode includes a current collector, a first layer formed on the current collector, and a second layer formed on at least part of the first layer. The first layer contains a monoclinic niobium titanium composite oxide. The second layer contains lithium titanate having a spinel structure. A porosity P | 2021-03-18 |
20210083299 | CURRENT COLLECTOR WITH EASILY ADHESIVE LAYER, ELECTRODE, ALL-SOLID STATE SECONDARY BATTERY, ELECTRONIC APPARATUS, ELECTRIC VEHICLE, AND METHODS OF MANUFACTURING CURRENT COLLECTOR WITH EASILY ADHESIVE LAYER, ELECTRODE, AND ALL-SOLID STATE SECONDARY BATTERY - Provided is a current collector with an easily adhesive layer including an easily adhesive layer that is provided on at least one surface of a current collector, in which the easily adhesive layer includes a polymer having a solubility of 1 g/100 g or higher in toluene at 25° C. Provided are also an electrode, an all-solid state secondary battery, an electronic apparatus, and an electric vehicle that include the current collector with an easily adhesive layer, and methods of manufacturing the current collector with an easily adhesive layer, the electrode, and the all-solid state secondary battery. | 2021-03-18 |
20210083300 | LAMINATED CATALYST, ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL, STACK, FUEL CELL AND WATER ELECTROLYSIS REVERSIBLE DEVICE, VEHICLE, AND FLYING OBJECT - According to an embodiment, a laminated catalyst includes a first catalyst layer mainly including a noble metal mainly containing Pt, a second catalyst layer mainly including a mixture of an oxide of a noble metal mainly containing Ir and Ru and a noble metal mainly containing Pt, and a third catalyst layer mainly including an oxide of a noble metal mainly containing Ir and Ru The first catalyst layer, the second catalyst layer, and the third catalyst layer are laminated in order. | 2021-03-18 |
20210083301 | METAL POROUS BODY, METHOD OF PRODUCING THE SAME, AND FUEL CELL - A metal porous body having a frame of a three-dimensional network structure, the frame being formed of a plurality of bone members connected to each other, the plurality of bone members defining openings in a surface of the metal porous body, the plurality of bone members defining voids inside the metal porous body, the openings and the voids communicating with each other, a porosity being from 1 volume % to 55 volume %, a density being from 3 g/cm | 2021-03-18 |
20210083302 | FUEL CELL AND FUEL CELL STACK COMPRISING SAME - The present invention relates to a fuel cell and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a fuel cell comprising a membrane-electrode assembly having a first surface and a second surface opposite to the first surface, wherein an anode electrode and a cathode electrode are each disposed on the first surface; an end plate disposed apart at a predetermined interval on the second surface; a first gas diffusion layer disposed on the anode electrode; a second gas diffusion layer disposed on the cathode electrode; a first separating plate disposed on the first gas diffusion layer and having a plurality of flow channels; and a second separating plate disposed on the second gas diffusion layer and having a plurality of flow channels. | 2021-03-18 |
20210083303 | FLOW FIELD PLATE FOR FUEL CELL - A flow field plate for a fuel cell, the flow field plate is provided with a plurality of fluid channels wherein at least one split block is provided between the fluid channels, at least one auxiliary microflow-channel is arranged in the split block, the microflow-channel changes flow rate and flow pressure of fluid at different sites along the fluid channel by having a depth and a width smaller than a depth and a width of the fluid channel at a confluent segment and also smaller than a depth and a width of the fluid channel at a diverging segment, so as to generate a pressure difference that forces fluid to flow into a diffusion layer. The flow field plate adjusts flow rate and pressure of fluid at different sites along the fluid channel, so as to transmit the reaction medium more effectively and removes generated water more effectively. | 2021-03-18 |
20210083304 | METHOD FOR PRODUCING A COMPOSITE FROM A BIPOLAR PLATE AND A MEMBRANE-ELECTRODE UNIT WITH THE AID OF A MAGNETIC FIXING - In order to provide a method for producing a composite of a bipolar plate and an MEA, the following is proposed: arranging the bipolar plate in a tool, which has a ferromagnetic or magnetic element, which partially forms the contact surface for the bipolar plate and is designed to be removable from the tool, arranging a membrane electrode assembly on the bipolar plate, arranging a second ferromagnetic or magnetic element on the membrane electrode assembly, removing the membrane electrode assembly and bipolar plate fixed to one another by the two ferromagnetic or magnetic elements, inserting the bipolar plate fixed to the membrane electrode assembly into a second tool, injecting a melt of a polymeric sealing material into the at least one mold cavity of the tool, allowing the melt to solidify, and demolding and removing the composite or the composites. In addition, a composite and a fuel cell stack are disclosed. | 2021-03-18 |
20210083305 | BATTERY BODY UNIT FOR REDOX FLOW BATTERY, REDOX FLOW BATTERY USING SAME, AND METHOD FOR OPERATING REDOX FLOW BATTERY - This battery body unit | 2021-03-18 |
20210083306 | OPERATION CONTROL SYSTEM AND METHOD OF FUEL CELL VEHICLE - An operation control system and method of a fuel cell vehicle are provided. The system includes a fuel cell, an air supply device operated by a motor, to supply air to the fuel cell and a sensing unit that senses an abnormal operation of the air supply device. A calculation unit calculates a lower-limit voltage of the air supply device required for normal operation of the air supply device when the sensing unit senses abnormal operation of the air supply device. A controller then adjusts a voltage supplied to the air supply device based on the calculated lower-limit voltage. | 2021-03-18 |
20210083307 | FUEL CELL SYSTEM - A fuel cell system is disclosed. The fuel cell system comprises: a fuel cell module including a plurality of unit cells for generating electrical energy by using oxygen of air and hydrogen of a reformed fuel gas; a first module including a burner part which burns an unreacted fuel gas and air discharged from the fuel cell module, an air-heating part which heats air through heat exchange with a hot combustion gas and a flame generated by the burner part and supplies the heated air to the fuel cell module, and a water vapor generation part which converts water, flowing through an inner portion thereof, into water vapor through heat exchange with a hot combustion gas generated by the burner part; and a second module which mixes a fuel supplied from an external fuel supply source and water vapor supplied from an water-vapor generator part, allows a water vapor reformation reaction to occur, and supplies a reformed fuel gas to the fuel cell module. | 2021-03-18 |
20210083308 | METHOD FOR PREPARING CATALYST LAYER, CATALYST LAYER, AND MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME AND FUEL CELL - The present specification relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly manufactured therefrom, and a fuel cell including the same. | 2021-03-18 |
20210083309 | ION EXCHANGE MEMBRANE FOR A REDOX FLOW BATTERY - Embodiments provide a redox flow battery, an ion exchange membrane for use in the redox flow battery and a method for producing the ion exchanger membrane. The ion exchange membrane includes a base layer, a first hydrophobic layer, and a second hydrophobic layer. The base layer includes sulfonated poly(ether ether ketone). The base layer has a first surface and a second surface. The first hydrophobic layer includes a polydimethylsiloxane elastomer. The first hydrophobic layer is positioned on the first surface of the base layer. The second hydrophobic layer includes the polydimethylsiloxane elastomer. The second hydrophobic layer is positioned on the second surface of the base layer. The ion exchange membrane is configured to prevent cross contamination of the first electrolyte and the second electrolyte. The redox flow battery includes a first half-cell, a second half-cell, and the ion exchange membrane. The first half-cell includes a first electrolyte. The second half-cell includes a second electrolyte. The first half-cell and the second half-cell are configured to undergo a redox reaction to discharge and charge the redox flow battery. | 2021-03-18 |
20210083310 | REGENERATION OF FLOW BATTERY - A redox flow battery includes a redox flow cell, a supply/storage system external of the redox flow cell, and a controller. The supply/storage system includes first and second electrolytes for circulation through the redox flow cell. The first electrolyte is a liquid electrolyte having electrochemically active species with multiple, reversible oxidation states. The electrochemically active species can form a solid precipitate blockage in the redox flow cell. The controller is configured to identify whether there is the solid precipitate blockage in the redox flow cell and, if so, initiate a regeneration mode that reduces the oxidation state of the electrochemically active species in the liquid electrolyte to dissolve, in situ, the solid precipitate blockage. | 2021-03-18 |
20210083311 | QUINONE AND HYDROQUINONE BASED FLOW BATTERY - The invention provides an electro-chemical cell based on a new chemistry for a flow battery for large scale, e.g., gridscale, electrical energy storage. Electrical energy is stored chemically in quinone molecules having multiple oxidation states, e.g., three or more. During charging of the battery, the quinone molecules at one electrode are oxidized by emitting electrons and protons, and the quinone molecules at the other electrode are reduced by accepting electrons and protons. These reactions are reversed to deliver electrical energy. The invention also provides additional high and low potential quinones that are useful in rechargeable batteries. | 2021-03-18 |
20210083312 | FUEL CELL STACK, TERMINAL STRUCTURE FOR FUEL CELL STACK, AND METHOD OF PRODUCING TERMINAL STRUCTURE FOR FUEL CELL STACK - In terminal structure, one surface of a current collection plate is positioned adjacent to a stack body of power generation cells. A plate joint surface of an intermediate plate is joined to the other surface of the current collection plate. A rod terminal is joined to a terminal joint surface of the intermediate plate. A terminal joint portion for joining the intermediate plate and the rod terminal together is provided at the center of the intermediate plate as viewed in the stacking direction. A plate joint portion for joining the current collection plate and the intermediate plate together is provided on the outer circumferential side of the intermediate plate as viewed in the stacking direction. | 2021-03-18 |
20210083313 | APPARATUS FOR MANUFACTURING BAGGED ELECTRODE, ACCUMULATING APPARATUS, AND METHOD FOR MANUFACTURING BAGGED ELECTRODE - An apparatus for manufacturing a bagged electrode includes a conveying unit, a first bonding unit, a second bonding unit, and a separating unit. The conveying unit conveys an electrode in a manner interposed between a pair of long separator materials unwound from a pair of rolls. The first bonding unit bonds the pair of long separator materials outside the electrode along a conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The second bonding unit bonds the pair of long separator materials outside the electrode along a direction intersecting the conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The separating unit cuts the pair of long separator materials along the direction intersecting the conveyance direction to cut off the bagged electrode without stopping conveyance of the electrode and the pair of long separator materials. | 2021-03-18 |
20210083314 | Automated Batch Sample Preparation Method for Button Battery - The invention provides an automated batch sample preparation method for button battery, comprising the following steps: preparing an electrolyte and elements of different specifications, presetting an injection amount of a liquid injection component, scanning and recording the identification information of the elements by a scanning component, grabbing the elements onto a sealing component, injecting the electrolyte into the elements on the sealing component, sealing the elements as a button battery by the sealing component, removing the button battery, then repeat the above steps. The automated batch sample preparation method for button battery provided by the invention has the advantages of high automation degree, simple operation, high-precision assembly and high efficiency. The injection amount can be adjusted and controlled, and button batteries with different specifications can be produced in batch. The information recorded by the scanning component can facilitate the optimization of the process. | 2021-03-18 |
20210083315 | SYSTEM AND METHOD FOR REDUCING ELECTRICAL INTERFERENCE OF A BATTERY CELL - The disclosed technology relates to a battery utilizing an indicator to orient an unopposed portion of a cathode or anode with respect to a battery can, and a tag to generate an electromagnetic field to mitigate or eliminate an electromagnetic field generated by the unopposed portion of the cathode or anode. The battery includes a wound set of layers including a cathode, an anode, and a separator; a can housing the wound set of layers; a lid disposed atop of the can to enclose the wound set of layers within the can; and a tag coupled to the lid. An unopposed portion of the cathode or anode generates a first electromagnetic field. The tag generates a second electromagnetic field to oppose the first electromagnetic field. | 2021-03-18 |
20210083316 | SECONDARY CELL WITH NONAQUEOUS ELECTROLYTE - The secondary cell with the nonaqueous electrolyte includes: the wound body in which an electrode group including the positive electrode, the negative electrode, and a separator sandwiched therebetween is wound in a flat shape; and the nonaqueous electrolyte having the wound body immersed therein. The wound body, in the central section within at least five layers from the inside of the wound body, includes a gap between adjacent layers of the electrode group and a length Gn of the gap in a major axis direction of the wound body when viewed from the axial direction of the wound body fulfills a relationship of 0.09/n−0.003≤Gn≤0.98/n−0.093 (1≤n≤4). | 2021-03-18 |
20210083317 | LITHIUM ION CONDUCTIVE COMPOSITE MATERIAL FOR ALL SOLID-STATE LITHIUM BATTERY, AND SOLID POLYMER ELECTROLYTE AND ALL SOLID-STATE LITHIUM BATTERY INCLUDING THE SAME - A lithium ion conductive composite material for an all solid-state lithium battery includes a polymer blend, a lithium salt, a lithium ion conductive ceramic filler, and a plasticizer. The polymer blend includes polyacrylonitrile and a polyvinyl polymer selected from the group consisting of polyvinyl alcohol, poly(vinylidene fluoride-hexafluoropropylene), and a combination thereof. | 2021-03-18 |
20210083318 | LITHIUM POTASSIUM TANTALATE COMPOUNDS AS Li SUPER-IONIC CONDUCTOR, SOLID ELECTROLYTE AND COATING LAYER FOR LITHIUM METAL BATTERY AND LITHIUM-ION BATTERY - Solid-state lithium ion electrolytes of lithium potassium tantalate based compounds are provided which contain an anionic framework capable of conducting lithium ions. An activation energy of the lithium metal silicate composites is from 0.12 to 0.45 eV and conductivities are from 10 | 2021-03-18 |
20210083319 | LITHIUM POTASSIUM ELEMENT OXIDE COMPOUNDS AS Li SUPER-IONIC CONDUCTOR, SOLID ELECTROLYTE AND COATING LAYER FOR LITHIUM METAL BATTERY AND LITHIUM-ION BATTERY - Solid-state lithium ion electrolytes of lithium potassium element oxide based compounds are provided which contain an anionic framework capable of conducting lithium ions. The element atoms are Ir, Sb, I Nb and W. An activation energy of the lithium potassium element oxide compounds is from 0.15 to 0.50 eV and conductivities are from 10 | 2021-03-18 |
20210083320 | ORDERED POROUS SOLID ELECTROLYTE STRUCTURES, ELECTROCHEMICAL DEVICES WITH SAME, METHODS OF MAKING SAME - Provided are solid-state electrolyte structures. The solid-state electrolyte structures are ion-conducting materials. The solid-state electrolyte structures may be formed by 3-D printing using 3-D printable compositions. 3-D printable compositions may include ion-conducting materials and at least one dispersant, a binder, a plasticizer, or a solvent or any combination of one or more dispersant, binder, plasticizer, or solvent. The solid-state electrolyte structures can be used in electrochemical devices. | 2021-03-18 |
20210083321 | ALL-SOLID BATTERY AND BATTERY MODULE - An all-solid battery includes: a multilayer structure that includes a plurality of first electrodes and a plurality of second electrodes, and has a first side face and a second side face adjacent to each other, the plurality of first electrodes and the plurality of second electrodes being alternately stacked with solid electrolyte layers interposed between the plurality of first electrodes and the plurality of second electrodes; a first extraction part exposed on the first side face, the first extraction part being a part of the first electrode; a second extraction part exposed on the second side face, the second extraction part being a part of the second electrode; a first external electrode coupled to the first extraction part on the first side face; and a second external electrode coupled to the second extraction part on the second side face. | 2021-03-18 |
20210083322 | CATHODE FOR ALL-SOLID-STATE BATTERY FOR PREVENTING SHORT-CIRCUITING BETWEEN ELECTRODES AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a cathode for an all-solid-state battery includes: stacking a protective member on a cathode current collector, the protective member including a protective layer and a mask layer disposed on the protective layer and having a central portion which is an empty space; coating the protective member with a cathode material so that the central portion of the protective member is filled with the cathode material; and removing the mask layer to form a cathode coating layer. | 2021-03-18 |
20210083323 | SOLID ELECTROLYTE COMPOSITION, SOLID ELECTROLYTE-CONTAINING SHEET, ALL-SOLID STATE SECONDARY BATTERY, METHOD OF MANUFACTURING SOLID ELECTROLYTE-CONTAINING SHEET, AND METHOD OF MANUFACTURING ALL-SOLID STATE SECONDARY BATTERY - Provided is a solid electrolyte composition including: an inorganic solid electrolyte having ion conductivity of a metal belonging to Group 1 or Group 2 in the periodic table; a binder including a polymer that includes a specific structural unit having 6 or more carbon atoms; and a dispersion medium. Provided are a solid electrolyte-containing sheet and an all-solid state secondary battery that include a layer formed of the composition, and method of manufacturing a solid electrolyte-containing sheet and an all-solid state secondary battery. | 2021-03-18 |
20210083324 | RECHARGEABLE BATTERY AND ELECTROLYTE SOLUTION - A rechargeable battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The electrolyte solution contains water and one or more lithium salts, and the lithium salts include lithium fluorophosphate. | 2021-03-18 |
20210083325 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - A non-aqueous electrolyte secondary cell provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode has a positive electrode active material that contains composite oxide particles which include Ni, Co, Li, and at least one of Mn and Al, and in which the proportion of Ni in relation to the total number of moles of metal elements excluding Li is at least 80 mol %. In the composite oxide particles, the ratio (B/A) of the post-particle-compression-test BET specific surface area (B) with respect to the pre-particle-compression-test BET specific surface area (A) is 1.0-3.0. The non-aqueous electrolyte contains a non-aqueous solvent and a cyclic carboxylic anhydride such as diglycolic anhydride. | 2021-03-18 |
20210083326 | Liquid Electrolyte For Lithium Metal Battery - Liquid electrolytes for a lithium metal battery comprise an aprotic solvent, an ionic liquid, a lithium salt, 8 mol % to 30 mol % hydrofluoroether and up to 5 mol % additives. A molar ratio of the hydrofluoroether to the lithium salt is 0.22:1 to 0.83:1. The liquid electrolytes achieve at least a 50% improvement in cycle life over conventional electrolytes, extend capacity retention and delay increases in internal resistance. | 2021-03-18 |
20210083327 | ELECTROLYTE AND ELECTROCHEMICAL DEVICE - The present application relates to an electrolyte and an electrochemical device including the same. The electrolyte includes a diboronic acid compound and a nitrile compound, so that the storage performance and cycle performance of the electrochemical device using the electrolyte can be remarkably improved. | 2021-03-18 |
20210083328 | ADDITIVE, ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An additive represented by Chemical Formula 1, an electrolyte for a rechargeable lithium battery including the same, and a rechargeable lithium battery, | 2021-03-18 |
20210083329 | MONITORING BATTERY PACKS WITHIN A BATTERY ENERGY STORAGE SYSTEM - In an embodiment, a monitoring system may monitor a selected number of battery packs residing within a battery energy storage system. The monitoring system may include a plurality of battery pack monitoring devices each configured to monitor a battery pack. In an embodiment, the battery pack monitoring device may include a battery pack monitoring controller having a memory and a processor. The battery pack monitoring device may also include a voltage sensor, an ambient temperature sensor, an electric current sensor, a cell voltage sensor, and a cell temperature sensor, each coupled to the processor of the battery pack monitoring controller. The measured voltages, temperatures, and electric current may be stored in the memory of the battery pack monitoring controller. | 2021-03-18 |
20210083330 | POWER SUPPLY MANAGEMENT SYSTEM, BATTERY, CHARGER, AND UNMANNED AERIAL VEHICLE - A power supply management system includes a selection control circuit, a controller, and a communication cable. The controller is connected to the selection control circuit and configured to control the selection control circuit to switch between a temperature measurement mode and an encryption certification mode. One end of the communication cable is configured to be communicatively connected to a battery, and another end of the communication cable is electrically connected to a communication interface and a temperature measurement interface of the controller. When the selection control circuit switches to the temperature measurement mode, the controller is further configured to read a voltage of a temperature measurement resistor of the battery via the communication cable. When the selection control circuit switches to the encryption certification mode, the controller is further configured to communicate with an encryption chip of the battery via the communication cable. | 2021-03-18 |
20210083331 | MANAGEMENT DEVICE AND POWER SUPPLY SYSTEM - A plurality of power source circuits is each configured to be able to selectively charge any one of a plurality of cells included in each of series cell groups by using a voltage across each of series cell groups. The plurality of discharge circuits are each configured to be able to discharge a capacity stored in each of series cell groups. A controlling circuit equalizes the states of the plurality of cells included in each of the series cell groups by using the plurality of power source circuits. The controlling circuit equalizes the states of the plurality of series cell groups by using the plurality of discharge circuits. | 2021-03-18 |
20210083332 | ELECTRIFIED VEHICLE TRACTION BATTERY COMPONENT IDENTIFICATION ASSEMBLY AND IDENTIFICATION METHOD - A vehicle assembly includes, among other things, a battery array, and an identifier that is associated with the battery array. The identifier is readable by a control module of an electrified vehicle when the battery array is in an installed position within the electrified vehicle. | 2021-03-18 |
20210083333 | WASHER FOR SECONDARY BATTERY, SECONDARY BATTERY INCLUDING SAME, AND METHOD FOR MANUFACTURING WASHER FOR SECONDARY BATTERY - The present invention relates to a washer for a secondary battery including a film layer and an adhesive layer disposed on at least one surface of the film layer, wherein the adhesive layer includes an adhesive component and an indicator component, and the indicator component is fat-soluble, a secondary battery including the same, and a method for manufacturing the washer. | 2021-03-18 |
20210083334 | METHOD OF RESTORING CAPACITY OF NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A liquid composition is for use to feed carrier ions to a non-aqueous electrolyte secondary battery. The liquid composition includes a solvent and a dissolved substance. The dissolved substance includes an ionic compound. The ionic compound consists of a radical anion of an aromatic compound and a metal cation. The aromatic compound is a polyacene or a polyphenyl. The metal cation is an ion of the same type as the carrier ions. | 2021-03-18 |
20210083335 | BATTERY-BASED SYSTEM FOR POWERING REFRIGERATED TRANSPORT AND OTHER INDUSTRIAL APPLICATIONS - The invention relates to a battery-based system for powering refrigerated transport and other industrial applications. It includes a battery-based system for supplying power comprising a housing encasing a battery unit, a battery management system connected to the battery unit and operable to manage battery unit, and a power management unit connected to the battery unit and operable to convert battery power from the battery unit to 3 phase power of between 380 and 480 Vac. One exemplary application of the invention is to replace diesel gen-sets in refrigerated transport with more reliable and reduced emission battery power. | 2021-03-18 |
20210083336 | METHOD OF REUSING POSITIVE ELECTRODE MATERIAL - The present invention relates to a method of reusing a positive electrode material, and more particularly, the method includes: inputting a positive electrode for a lithium secondary battery comprising a current collector, and a positive electrode active material layer formed on the current collector and including a first positive electrode active material, a first binder and a first conducting agent, into a solvent; separating at least a portion of the positive electrode active material layer from the current collector; adding second binder powder to the solvent and performing primary mixing a resulting mixture; and preparing a positive electrode material slurry by adding a second positive electrode active material and a second conducting agent to the solvent and performing secondary mixing a resulting mixture. | 2021-03-18 |
20210083337 | Battery Pack Optimization for Thermal Management - A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described. | 2021-03-18 |
20210083338 | Battery Pack Optimization for Thermal Management - A battery pack for an electric vehicle or a hybrid vehicle may include a housing, a stack of battery cells disposed within the housing, and a cooling subassembly. The housing typically holds the cell stack together, and the cooling subassembly typically cools the cell stack to prevent damage to the battery cells and to maintain the performance of the battery cells. The cooling subassembly may include a cold plate defining a liquid flow channel and one or more thermoelectric devices (TEDs) that are operable to cool the cell stack when current is supplied thereto. Heat spreaders may be employed within the battery pack, and exemplary configurations of components to thermally and mechanically couple the cooling subassembly are described. | 2021-03-18 |
20210083339 | BATTERY, PARTICULARLY FOR A MOTOR VEHICLE, AND METHOD FOR OPERATING A BATTERY - A battery, particularly for a motor vehicle, including at least two battery cells, wherein at least one circuit branch is connected to a respective positive pole and negative pole of the respective battery cell, which includes a heating unit, which can be connected in parallel to the respective battery cell by a switching element of the circuit branch; and a control device, which is configured to switch the switching elements of the respective circuit branch between an electrically conductive and an electrically blocking state in order to heat the battery cells, perform active balancing of the battery cells, and/or discharge the battery cells. The invention furthermore relates to a method for operating a battery. | 2021-03-18 |
20210083340 | SHELF DESIGN FOR BATTERY MODULES - Shelf designs for battery modules are disclosed. A liquid cooling method for battery thermal management is also introduced using the shelf design. A backup battery system shelf comprises a cooling frame and a thermal conductive pad disposed on one or more surfaces of the shelf. The cooling frame can house a backup battery unit (BBU) or module. The cooling frame is configured to circulate a cooling liquid in and out of the cooling frame. The thermal conductive pad is configured to transfer heat from a BBU module to the cooling frame and liquid circulating within the cooling frame. The BBU module can also include a cooling frame circulating a cooling liquid to transfer heat away from the BBU module. | 2021-03-18 |
20210083341 | Electrode Assembly, Secondary Battery Comprising the Same, and Battery Pack - The present invention provides an electrode assembly comprising: a radical unit provided with first and second electrodes stacked with a separator therebetween, wherein the first electrode is stacked at the outermost side; and a safety unit disposed on the outermost surface of the radical unit, wherein the safety unit comprises: a first safety plate disposed above the outermost surface of the radical unit; and a first semiconductor material provided between the radical unit and the first safety plate, wherein the first semiconductor material changes from an insulator to a conductor at the first set temperature or more to connect the radical unit to the first safety plate, thereby dissipating heat of the radical unit while conducting the heat to the first safety plate. | 2021-03-18 |
20210083342 | Battery Module with Enhanced Cooling Efficiency, and Battery Pack Comprising Same - A battery module includes: a plurality of battery cells stacked to face each other; a plurality of cell cartridges stacked to surround the plurality of battery cells; and a plurality of PCM capsules disposed in the cell cartridges and each containing a phase change material (PCM) therein. | 2021-03-18 |
20210083343 | POLYMER-BASED BATTERY PACK ENCLOSURE ASSEMBLIES WITH INTEGRATED THERMAL MANAGEMENT FEATURES - This disclosure details exemplary battery pack designs for use in electrified vehicles. Exemplary battery packs may include a polymer-based enclosure assembly having features for thermally managing internal components of the battery pack. In some embodiments, the enclosure assembly may include molded-in fluid channels or molded-in tubing for establishing a cooling circuit of the battery pack. In other embodiments, the enclosure assembly may include molded-in channels that receive tubing for establishing a cooling circuit of the battery pack. | 2021-03-18 |
20210083344 | BATTERY MODULE, AND BATTERY RACK AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - A battery module includes a plurality of battery cells, a module case configured to accommodate the plurality of battery cells, an air intake unit provided to one side of the module case and configured to guide an air into the module case to cool the plurality of battery cells, an air discharge unit provided to the other side of the module case and configured to discharge the air introduced into the module case through the air intake unit to the outside of the module case, and at least one sheet member attached to an inner wall of the module case between the air discharge unit and the air intake unit and configured to expand at a predetermined temperature or above to seal an inner space of the module case. | 2021-03-18 |
20210083345 | Battery And Capacitor Assembly For A Vehicle And A Method For Heating And Cooling The Battery And Capacitor Assembly - A battery and capacitor assembly for a hybrid vehicle includes a plurality of battery cells, a plurality of capacitor cells, a cooling plate, a pair of end brackets, and a housing. The plurality of capacitor cells are arranged adjacent to the plurality of battery cells such that the plurality of battery cells and the plurality of capacitor cells form a cell stack. The pair of end brackets are disposed at opposite ends of the cell stack and are attached to the cooling plate. The pair of end brackets compress the plurality of battery cells and the plurality of capacitor cells. The housing is attached to the cooling plate and encloses the cell stack and the pair of end brackets. | 2021-03-18 |
20210083346 | METAL-AIR FUEL CELL - A method of charging a metal-air fuel cell. The method includes a step of orienting an anode chamber horizontally. The method further method includes a step of providing metal particles suspended in an electrolyte to flow through the anode chamber in a downstream direction oriented horizontally. The method further method includes a step of allowing a bed of the metal particles to form on the anode current collector. The plurality of particle collectors perturb the flow of electrolyte through the anode chamber and encourage settling of the particles one of on and between the particle collectors. The method further method includes a step of maintaining uniform formation of the bed. | 2021-03-18 |
20210083347 | CHARGER - A charger for charging an audio-device-accumulator of an audio device which is wearable on a head of a user and contains an interface for the transfer of electrical energy to the audio-device-accumulator. The charger contains an energy source configured as a hybrid battery for supplying the interface in a first charging mode. The hybrid battery contains a charger-accumulator and a fuel cell. | 2021-03-18 |
20210083348 | BATTERY PACK AND ELECTRONIC DEVICE - A battery pack and an electronic device are proposed that suppress an increase in size of a battery pack, and decrease damage to a battery element due to an external impact. | 2021-03-18 |
20210083349 | E-FUSE PHASE SHIFTER AND E-FUSE PHASED ARRAY - A system utilizes e-fuses in phase shifter elements of a phased array antenna to achieve a desired direction of a beam formed by the phased array antenna. A phase shifter element includes: a transmission line structure comprising a signal line, a ground return line, a capacitance line, and an inductance return line; and at least one e-fuse connected to the transmission line structure, wherein the phase shifter element has a first phase shift when the at least one e-fuse is unbroken and a second phase shift, different from the first phase shift, when the at least one e-fuse is broken. | 2021-03-18 |
20210083350 | LIQUID CRYSTAL PHASE SHIFTING DEVICE, MANUFACTURING METHOD THEREFOR, LIQUID CRYSTAL PHASE SHIFTER, AND ANTENNA - The present disclosure provides a liquid crystal phase shifting device, a manufacturing method for the liquid crystal phase shifting device, a liquid crystal phase shifter, and an antenna, aiming to achieve the better curved surface applications of the liquid crystal phase shifting device and thus increases the applications. The liquid crystal phase shifting device includes: a first flexible substrate and a second flexible substrate that are opposite to each other; a microstrip line arranged on a side of the first flexible substrate facing towards the second flexible substrate; an electrode layer arranged on a side of the second flexible substrate facing towards the first flexible substrate; and solid-state liquid crystal arranged between the microstrip line and the electrode layer. The liquid crystal phase shifting device is used for performing phase shifting on a microwave signal. | 2021-03-18 |
20210083351 | ELECTRONIC DEVICE AND METHOD FOR FORMING THE SAME - An electronic device is provided, including: a first substrate, a plurality of phase shifters, a second substrate, a plurality of patches, a common electrode layer, a dielectric layer, and a liquid-crystal layer. The plurality of phase shifters are disposed on the first substrate. The second substrate has an inner side facing the first substrate. The plurality of patches are disposed on the inner side of the second substrate. The dielectric layer is disposed between the common electrode layer and the second substrate and on the plurality of patches. The liquid-crystal layer is disposed between the plurality of phase shifters and the common electrode layer. | 2021-03-18 |
20210083352 | High-Order Fully-Reconfigurable Balanced Bandpass Filters - High-order balanced bandpass filters that are continuously tunable in terms of frequency and bandwidth (BW) and can be intrinsically switched-off. The filters include multiple resonant sections cascaded between a differential RF input and a differential RF output. The resonant sections comprise at least one multi-resonant cell and at least one transmission pole cell. The multi-resonant cell includes four frequency tunable resonators, and is configured to create a frequency tunable pole at the center frequency of the filter, and two frequency tunable transmission zeroes at resonating frequencies of the resonators of the multi-resonant cell. The transmission pole cells each include two resistively-terminated frequency-tunable resonators configured to resonate at the center frequency of the filter. | 2021-03-18 |
20210083353 | DIELECTRIC FILTER, ARRAY ANTENNA DEVICE - To obtain a downsized dielectric filter suitable for a laminating structure, a dielectric filter is configured with use of a dielectric waveguide formed of a conductor pattern and vias in a laminating direction within a multilayer dielectric substrate, two strip lines formed in a planar direction of the multilayer dielectric substrate, and two strip line-waveguide converters each configured to perform transmission line conversion between the dielectric waveguide and each strip line. In this manner, it is possible to provide a dielectric filter for which an area to be occupied in the planar direction of the multilayer dielectric substrate is suppressed. | 2021-03-18 |
20210083354 | COUPLING STRUCTURE OF FILTER AND PROCESSING METHOD - The present disclosure relates to a coupling structure of a filter. One example coupling structure of the filter includes at least two resonant cavities. Each resonant cavity includes an internal space surrounded by a resonant cavity wall, a resonant cavity bottom plate, and a resonant cavity lid. The at least two resonant cavities are sequentially connected. Each resonant cavity of the at least two resonant cavities includes one resonator. A coupling rib assembly is between every two resonant cavities of the at least two resonant cavities. The coupling rib assembly includes a first coupling rib and a second coupling rib, where the first coupling rib is connected to the resonant cavity wall and the resonant cavity bottom plate to block two adjacent resonant cavities from each other, and the second coupling rib is connected to the resonant cavity bottom plate and intersects with the first coupling rib. | 2021-03-18 |
20210083355 | VARIABLE ATTENUATOR - A variable attenuator is an attenuator which is formed by coupling two transmission lines having an electrical length of λ/4 corresponding to a wavelength λ of an input signal, has one end of one transmission line as an input terminal, has the other end of the one transmission line as a through terminal, has one end of the other transmission line as a coupling terminal and has the other end of the other transmission line as an output terminal, wherein the variable attenuator has a resistor pair having the same impedance at both the through terminal and the coupling terminal, and has a resistor pair having the same impedance at both the input terminal and the output terminal. | 2021-03-18 |
20210083356 | HEAT-RADIATING MECHANISM FOR ANTENNA DEVICE - The present disclosure relates to a heat-radiating mechanism for an antenna device, and particularly, includes: a plurality of communication elements generating predetermined heat upon electrical operation, a heat-radiating combined case having the plurality of communication elements accommodated in one surface thereof and a plurality of heat-radiating ribs integrally formed on the other surface thereof, and an antenna board mounted with the plurality of communication elements on one surface of the heat-radiating combined case, in which the plurality of heat-radiating ribs are formed such that the rising airflow formed by being heat-radiated from the relatively lower portion of the heat-radiating combined case is exhausted to be inclined upward to the left and right outsides of the heat-radiating combined case in the width direction from the relatively upper position, thereby improving the heat-radiating performance of the antenna device. | 2021-03-18 |
20210083357 | RADAR BRACKET WITH SURFACE SELF-ADAPTIVENESS - The invention provides a radar bracket with self-adaptiveness to a curved surface. The radar bracket comprises: a bracket body provided with a radar mounting part; and, a bracket flanging configured to be fixed to a skin and being arranged at a periphery of the bracket body. The bracket flanging is provided with a plurality of weakened structures for providing its self-adaptiveness to a curved surface. When the radar bracket is to be bonded or welded to a skin, thanks to the bracket flanging's ability of easily deform to adapt to different curved surfaces, the same radar bracket can be attached to different positions of the skin with different curvatures. According to the invention, it is provided a radar bracket with self-adaptiveness to a curved surface that can be used universally all over an assembled automobile, hence the production costs, the mounting costs, and the probability of erroneous mounting are greatly reduced. | 2021-03-18 |
20210083358 | Home Television Antenna with Detachable Bracket - A home television antenna with a detachable bracket includes a casing, an antenna mainboard and a bracket. The antenna mainboard is disposed inside the casing and connected to a transmission line, and the transmission line extends to the exterior of the casing. The bracket is detachably connected to the casing for supporting the casing. By setting a bracket structure, the home television antenna can be supported and placed on the desktop to avoid impacts on signal transmission while being hung on a wall, and the antenna is conveniently placed on any plane without the need of construction on the wall for fixing the television antenna. The detachable connection between the bracket and the casing facilitates installation and disassembly, and it's convenient for transportation as the volume is reduced after the disassembly and it is convenient to install when the use is needed. | 2021-03-18 |
20210083359 | INTEGRATED MICROPHONE AND ANTENNA APPARATUS AND METHOD OF OPERATION - Integrated microphone and antennas include a microphone and an antenna. The microphone includes a housing and an acoustic transducer. The housing defines a cavity and includes a conductive layer. The acoustic transducer is positioned within the cavity and structured to generate an acoustic signal. The antenna is at least partially integrated with the microphone and structured to transmit and receive radio frequency signals. The antenna is structured to utilize the conductive layer of the housing as a radiating element. | 2021-03-18 |
20210083360 | CHIPLESS RFID PRINTING METHODS - With the purpose of having RFID tags that are cheap to produce and that are environmentally friendly, it is disclosed a method and a system to manufacture chipless RFID tags. The method and system comprises printing a conductive track on a carbon-based substrate and selectively heating the substrate on the parts comprising the conductive track. The printing of the conductive track envisages using an ink comprising at least one of a metal carbide, a metal boride or a metal nitride. | 2021-03-18 |
20210083361 | WIRELESS COMMUNICATION DEVICE - An RFID tag is provided as a wireless communication device for transmitting and receiving a communication signal. The RFID tag includes a base material, antenna patterns formed on the base material, an RFIC package that is a feeder circuit connected to the antenna patterns, and an LC resonance circuit that is adjacent to the antenna patterns and resonates at a frequency higher than the frequency of the communication signal. | 2021-03-18 |
20210083362 | Packaging Structure and Packaging Method for Antenna - The present disclosure provides a packaging structure and a packaging method for an antenna. The packaging structure comprises a redistribution layer, having a first surface and an opposite second surface; a first metal joint pin, formed on the second surface of the redistribution layer; a first packaging layer, disposed on the redistribution layer covering the first metal joint pin; a first antenna metal layer, patterned on the first packaging layer, and a portion of the first antenna metal layer electrically connects with the first metal joint pin; a second metal joint pin, formed on the first antenna metal layer; a second packaging layer, disposed on the first antenna metal layer covering the second metal joint pin; a second antenna metal layer, formed on the second packaging layer; and a metal bump and an antenna circuit chip, bonded to the first surface of the redistribution layer. | 2021-03-18 |
20210083363 | Parasitic Patch Antenna for Radiating or Receiving a Wireless Signal - The present application provides a parasitic patch antenna for radiating or receiving a wireless signal. The parasitic patch antenna includes an antenna module, which has one or more exciter patches, where each exciter patch is respectively coupled to a signal port of one of a transmitter, a receiver, or a transceiver, and has a ground structure. The parasitic patch antenna further includes a separate mechanical part independent of the antenna module. The separate mechanical part includes one or more parasitic patches organized and arranged separate from, and proximate to the one or more exciter patches of the antenna module. | 2021-03-18 |
20210083364 | ANTENNA - An apparatus is provided that includes a ground plane having a perimeter, at least one support positioned within the perimeter of the ground plane and extending outwardly from the ground plane and at least one multi-port antenna supported by the support at a distance from the ground plane. The multi-port antenna has a different radiation pattern associated with each port. The multi-port antenna operates with a first radiation pattern when a first port is used and operates with a second radiation pattern, different to the first radiation pattern, when a second port, different to the first port, is used. The at least one support defines a slot positioned between the multi-port antenna and the ground plane and/or the ground plane defines a slot. | 2021-03-18 |
20210083365 | MOBILE TERMINAL AND COIL ANTENNA MODULE - There is disclosed a mobile terminal including a first case comprising a battery loading portion, a battery loaded in the battery loading portion, a second case coupled to the first case and configured to cover the battery, a coil antenna module arranged between the second case and the battery, and a controller electrically connected to the coil antenna module and configured to transmit and receive a signal or receive an electric power, wherein the coil antenna module includes an insulating sheet, a first coil arranged in a surface of the insulating sheet, a second coil arranged in the first coil, a third coil arranged in the second coil, and a magnetic sheet disposed on the surface of the insulating sheet, and ends of the first, second and third coils are arranged in the surface of the insulating sheet or dividedly arranged in both surfaces of the insulating sheet. The mobile terminal may realize the coil antenna module including a plurality of coils configured to perform diverse manners of wireless communication in a limited area. | 2021-03-18 |
20210083366 | ELECTRONIC DEVICE INCLUDING ANTENNA - An electronic device in accordance with an example embodiment of the disclosure includes a first non-conductive cover defining a first surface of the electronic device, a second non-conductive cover including a first portion defining a second surface of the electronic device, and a second portion defining one portion of a lateral surface of the electronic device, a conductive frame defining an other portion of the lateral surface of the electronic device, and an antenna module, wherein the antenna module is positioned so that the one surface is substantially perpendicular to the second surface at a position within a specified proximity to the lateral surface of the electronic device and is configured to transmit and/or receive a signal through the lateral surface. | 2021-03-18 |
20210083367 | Electronic Devices With Millimeter Wave Antennas And Metal Housings - An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more antennas. The antennas may include millimeter wave antenna arrays. Non-millimeter-wave antennas such as cellular telephone antennas may have conductive structures separated by a dielectric gap. In a device with a metal housing, a plastic-filled slot may form the dielectric gap. The conductive structures may be slot antenna structures, inverted-F antenna structures such as an inverted-F antenna resonating element and a ground, or other antenna structures. The plastic-filled slot may serve as a millimeter wave antenna window. A millimeter wave antenna array may be mounted in alignment with the millimeter wave antenna window to transmit and receive signals through the window. Millimeter wave antenna windows may also be formed from air-filled openings in a metal housing such as audio port openings. | 2021-03-18 |
20210083368 | CLOAKING ARRANGEMENT FOR LOW PROFILE TELECOMMUNICATIONS ANTENNA - A telecommunications antenna comprising a plurality of unit cells each including at least one radiator which transmits RF energy within a bandwidth range which is a multiple of another radiator. The radiators are proximal to each other such that a resonant condition may be induced into the at least one radiator upon activation of the other radiator. At least one of the radiators is segmented into capacitively-connected radiator elements to suppress a resonance response therein upon activation of the other of the radiator. | 2021-03-18 |